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Multicenter, randomized comparative trial of fludarabine and the combination of cyclophosphamide-doxorubicin-prednisone in 92 patients with Waldenstrom macroglobulinemia in first relapse or with primary refractory disease.

Author(s): Leblond V, Levy V, Maloisel F, Cazin B, Fermand JP, Harousseau JL, Remenieras L, Porcher R, Gardembas M, Marit G, Deconinck E, Desablens B, Guilhot F, Philippe G, Stamatoullas A, Guibon O, French Cooperative Group on Chronic Lymphocytic Leukemia and Macroglobulinemia

Affiliation(s): Departement d'hematologie, Hopital Pitie-Salpetriere, AP-HP, Paris, France. veronique.leblond@psl.ap-hop-paris.fr

Publication date & source: 2001-11-01, Blood., 98(9):2640-4.

Publication type: Clinical Trial; Multicenter Study; Randomized Controlled Trial

Few reports are available on the treatment of patients with Waldenstrom macroglobulinemia (WM) and primary or secondary resistance to alkylating-agent-based regimens. From December 1993 through December 1997, 92 patients with WM resistant to first-line therapy (42) or with first relapse (50) after alkylating-agent therapy were randomly assigned to receive fludarabine (25 mg/m(2) of body-surface area on days 1-5) or cyclophosphamide, doxorubicin (Adriamycin), and prednisone (CAP; 750 mg/m(2) cyclophosphamide and 25 mg/m(2) doxorubicin on day 1 and 40 mg/m(2) prednisone on days 1-5). The first end point evaluated was the response rate after 6 treatment courses. Forty-five patients received CAP and 45 received fludarabine. Two patients died before the first course of chemotherapy. No statistical differences were observed between the 2 treatment arms with respect to hematologic toxicity or infections. Mucositis and alopecia occurred significantly more often in patients treated with CAP. Partial responses were obtained in 14 patients (30%) treated with fludarabine and 5 patients (11%) treated with CAP (P =.019). Responses were more durable in patients treated with fludarabine (19 months versus 3 months), and the event-free survival rate was significantly higher in this group (P <.01). Forty-four patients died, 22 in the fludarabine group and 22 in the CAP group. There was no statistical difference in the median overall survival time in the 2 study arms. Fludarabine was thus more active than CAP in salvage therapy of WM and should be tested as first-line therapy in a randomized comparison with alkylating agents.

Page last updated: 2006-01-31

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